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The Williamstown Bridge at Marietta, Washington County, Ohio. The image shows both the bridge and the roadway paver bricks along the Ohio River. The image was taken by Michael D. Williams in the summer of 1999.
Lifting a drill rig for positionig under the Detroit-Superior Bridge at the Cuyahoga River in Cleveland, Cuyahoga County, Ohio. The image is undated, but was probably taken during the 1950s.
An outcrop of the Allegheny Group showing slump structure along the Baltimore and Ohio Railroad Company cut northwest of Mineral City, Tuscarawas County, Ohio. This area has shale, siltstone, sandstone, conglomerate, limestone, coal, clay and flint lithologies. Bedrock is from the Pennsylvanian Geologic Period. The photograph was taken by Michael C. Hansen in 1981. The truss bridge was removed, the railroad cut was filled and County Road 107 (Sandyville Road) was constructed on top of the fill on a different allignment in the 1991 construction season by the Tuscarawas County Engineer's Office. The following information concerning the Baltimore and Ohio Railroad Company cut at Mineral City is taken verbatim from...
Drilling under the Detriot-Superior Bridge at the Cuyahoga River in Cleveland, Cuyahoga County, Ohio. The image is undated, but was probably taken during the 1950s.
Drilling under the Detriot-Superior Bridge at the Cuyahoga River in Cleveland, Cuyahoga County, Ohio. The image is undated, but was probably taken during the 1950s.
The falls at the railroad bridge over the Hocking River at Logan, Hocking County, Ohio. The Hocking River flows over Black Hand Sandstone. Bedrock is from the Mississippian Geologic Period. The photograph was taken by Michael C. Hansen in 1973.
The Upper Falls at Hocking Hills State Park, Hocking County, Ohio. Upstream from Old Man's Cave at the head of the gorge, Old Man's Creek cascades over a series of ledges which are composed of the resistant upper layers of the Black Hand Sandstone. The cascade terminates in a waterfall, 30 to 40 feet high, called the Upper Falls. The undercut ledges associated with this falls are due to undermining by older streams that once flowed at these various levels. Bedrock is from the Mississippian Geologic Period. The photograph was taken by George W. White in 1945.
Stream gage measurements in Raccoon Creek, Gallia County, Ohio. This is part of the field work activities of the Regional geology Section of the Ohio Geological Survey. The image was taken by John H. Melvin in 1952.
The Williamstown Bridge at Marietta, Washington County, Ohio. The image shows both the bridge and the roadway paver bricks along the Ohio River. The image was taken by Michael D. Williams in the summer of 1999.
An outcrop of the Allegheny Group showing slump structure along the Baltimore and Ohio Railroad Company cut northwest of Mineral City, Tuscarawas County, Ohio. This area has shale, siltstone, sandstone, conglomerate, limestone, coal, clay and flint lithologies. Bedrock is from the Pennsylvanian Geologic Period. The photograph was taken by Michael C. Hansen in 1981. The truss bridge was removed, the railroad cut was filled and County Road 107 (Sandyville Road) was constructed on top of the fill on a different allignment in the 1991 construction season by the Tuscarawas County Engineer's Office. The following information concerning the Baltimore and Ohio Railroad Company cut at Mineral City is taken verbatim from...
The Glen Helen Falls, also known as the Cascades, at Glen Helen Nature Preserve in Yellow Springs, Greene County, Ohio. The area's lithology is in the Cedarville, Springfield and Euphemia Dolomites undivided. Bedrock is from the Silurian Geologic Period. This image was taken by Pauline Smyth on May 23, 1965.
An outcrop of the Allegheny Group showing slump structure along the Baltimore and Ohio Railroad Company cut northwest of Mineral City, Tuscarawas County, Ohio. This area has shale, siltstone, sandstone, conglomerate, limestone, coal, clay and flint lithologies. Bedrock is from the Pennsylvanian Geologic Period. The photograph was taken by Michael C. Hansen in 1981. The truss bridge was removed, the railroad cut was filled and County Road 107 (Sandyville Road) was constructed on top of the fill on a different allignment in the 1991 construction season by the Tuscarawas County Engineer's Office. The following information concerning the Baltimore and Ohio Railroad Company cut at Mineral City is taken verbatim from...
The Illinoian terrace along the Hocking River at Stewart, Athens County, Ohio. One of the Baltimore and Ohio Southwestern Railroad Company bridges over the Hocking River is visible on the right side of the image. The image was made by Michael C. Hansen in 1973.
The Maumee River rapids caused by the Bowling Green Fault at Waterville, Lucas County, Ohio. The Lima and Toledo Traction Company Bridge at Roche de Boeuf is shown in the picture taken by Lawrence H. Wickstrom in September 1984. One of the piers of the bridge rests on the Roche de Boeuf, which is an outcrop of Tymochtee Dolomite of the Silurian Geologic Period. When the bridge was built in 1907, it was claimed to be the second-longest reinforced-concrete railroad bridge in the world. Roche de Boeuf was named by French fur traders who came to the Maumee Valley in the 1700s.
Lifting a drill rig for positionig under the Detroit-Superior Bridge at the Cuyahoga River in Cleveland, Cuyahoga County, Ohio. The image is undated, but was probably taken during the 1950s.
The Upper Falls at Hocking Hills State Park, Hocking County, Ohio. Upstream from Old Man's Cave at the head of the gorge, Old Man's Creek cascades over a series of ledges which are composed of the resistant upper layers of the Black Hand Sandstone. The cascade terminates in a waterfall, 30 to 40 feet high, called the Upper Falls. The undercut ledges associated with this falls are due to undermining by older streams that once flowed at these various levels. Bedrock is from the Mississippian Geologic Period. The photograph was taken by George W. White in 1945.
Drilling under the Detriot-Superior Bridge at the Cuyahoga River in Cleveland, Cuyahoga County, Ohio. The image is undated, but was probably taken during the 1950s.
The Illinoian terrace along the Hocking River at Stewart, Athens County, Ohio. One of the Baltimore and Ohio Southwestern Railroad Company bridges over the Hocking River is visible on the right side of the image. The image was made by Michael C. Hansen in 1973.
Outcrop of the Black Hand Sandstone Member of the Cuyahoga Formation overlain by the Berne Conglomerate and the Byer Sandstone of the Logan Formation on Ohio State Route 16, west of Newark, Licking County, Ohio. This area has shale, siltstone, sandstone and conglomerate lithologies. Bedrock is from the Mississippian Geologic Period. The photograph was taken during Stop 1 of the nineteenth annual Ohio Intercollegiate Field Trip on October 12, 1968.
    map background search result map search result map Baltimore and Ohio Railroad at Mineral City, Tuscarawas County, Ohio, 1981 Baltimore and Ohio Railroad at Mineral City, Tuscarawas County, Ohio, 1981 Baltimore and Ohio Railroad at Mineral City, Tuscarawas County, Ohio, 1981 The Upper Falls With Stone Bridge at Hocking Hills State Park, Hocking County, Ohio, 1945 The Upper Falls With Stone Bridge at Hocking Hills State Park, Hocking County, Ohio, 1964 The Hocking River Falls at Logan, Hocking County, Ohio, 1973 The Glen Helen Falls at Yellow Springs, Greene County, Ohio, 1965 Stream Gaging at Raccoon Creek, Gallia County, Ohio, 1952 Intercollegiate Field Trip, Licking County, 1968 Pleistocene Outwash in Athens County, Ohio, 1973 Pleistocene Outwash in Athens County, Ohio, 1973 Ohio Electric Railroad Bridge at Roche De Boeuf, Lucas County, Ohio, 1984 The Williamstown Bridge at Marietta, Washington County, Ohio, 1999 The Williamstown Bridge at Marietta, Washington County, Ohio, 1999 Core Drilling in Cuyahoga County, Ohio, 1950s Core Drilling in Cuyahoga County, Ohio, 1950s Core Drilling in Cuyahoga County, Ohio, 1950s Core Drilling in Cuyahoga County, Ohio, 1950s Core Drilling in Cuyahoga County, Ohio, 1950s